For kids ages 3-12. Don't worry, you don't need special 3-D glasses for this project!
Mix flour and salt in medium bowl. Add water and food color; mix well.
Pour mixture into squeeze bottles or plastic bag. Cut a tiny hole in one corner of the bag.
To neatly fill plastic bag with paint, insert bag into small drinking glass. Fold top of bag over glass edge like a cuff. Spoon mixture into bag and seal.